: This is the second segment of a multi-part RAR archive. Because games can be several gigabytes in size, they are often "split" into smaller pieces for easier uploading and downloading.
: This signifies that the installer is sourced from GOG.com, meaning the game is DRM-free (it does not require an internet connection or a specific client like Steam to run). The.Hand.of.Merlin.v679085.GOG.part2.rar
This specific filename, , refers to a compressed archive file for the video game The Hand of Merlin . : This is the second segment of a multi-part RAR archive